There are
784 mi
from Temecula, CA to Alamogordo, NM
That's the driving distance. It would take 14 hours 1 min to go from Temecula, California to Alamogordo, New Mexico.
The flight distance (direct flight from Temecula, CA to Alamogordo, NM) is 647.84 mi.
784 mi = 1,261.55 kms